Grayson Walker

Works (10)

Updated: September 10th, 2024 05:02

2024 journal article

Research note: A scald water surfactant combined with an organic acid carcass dip reduces microbial contaminants on broiler carcasses during processing

POULTRY SCIENCE, 103(7).

By: G. Walker n, D. Bourassa *, R. Qudsieh n , B. Hutson n, D. Joardar  n & M. Livingston n

author keywords: E. coli; organic acid; aerobic plate count; coliform; surfactant
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: September 9, 2024

2024 article

The Transition from Letter Grading to Modified Pass-Fail Grading at a College of Veterinary Medicine: A Narrative Inquiry of Student Experiences

Walker, G. K., Posner, L. P., Nelson, L. L., & Watson, J. S. (2024, January 22). JOURNAL OF VETERINARY MEDICAL EDUCATION, Vol. 1.

By: G. Walker n, L. Posner n, L. Nelson n  & J. Watson n

author keywords: academic affairs; student health & well-being; assessment; curriculum; environment; student affairs
TL;DR: Seven key themes were identified that captured student experiences, which were generally positive, during this transition: education culture, student perceptions of instructor impact, shift from extrinsic to intrinsic valuation of curricular content, competitiveness for external merit-based opportunities, use of letter grading and MPF in a single semester, student recommendations, and wellbeing. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: March 25, 2024

2023 article

Draft Genome Sequences of Escherichia coli and Enterococcus faecalis Coisolated from Polymicrobial Extraintestinal Infections of Chickens and Turkeys

Walker, G. K., Harden, L., Suyemoto, M. M., Thakur, S., Jacob, M., & Borst, L. B. (2023, February 21). MICROBIOLOGY RESOURCE ANNOUNCEMENTS, Vol. 2.

By: G. Walker n, L. Harden n, M. Suyemoto n, S. Thakur n , M. Jacob n & L. Borst n 

TL;DR: It is reported that draft genome sequences of 18 APEC and 18 E. faecalis strains coisolated from lesions of diseased poultry with colisepticemia are reported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: March 20, 2023

2023 article

Draft genome sequences of 12 Escherichia coli co-isolated with Enterococcus spp. from dogs with polybacterial bacteriuria at a veterinary hospital

Walker, G. K., Harden, L., Suyemoto, M. M., Thakur, S., Jacob, M., & Borst, L. B. (2023, August 8). MICROBIOLOGY RESOURCE ANNOUNCEMENTS, Vol. 8.

By: G. Walker n, L. Harden n, M. Suyemoto n, S. Thakur n , M. Jacob n & L. Borst n 

author keywords: E; coli; UPEC; canine urinary tract infection; polymicrobial infections
TL;DR: The draft genome sequences of 12 UPEC co-isolated with Enterococcus spp. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 21, 2023

2022 article

Detection of Escherichia coli and Enterococcus spp. in dogs with polymicrobial urinary tract infections: A 5-year retrospective study

Walker, G. K., Yustyniuk, V., Shamoun, J., Jacob, M. E., Correa, M., Vaden, S. L., & Borst, L. B. (2022, May 27). JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 5.

By: G. Walker n, V. Yustyniuk*, J. Shamoun n, M. Jacob n, M. Correa n, S. Vaden n, L. Borst n 

author keywords: antibiotics; bacteriuria; cystitis; urine culture
MeSH headings : Animals; Anti-Bacterial Agents / therapeutic use; Bacteriuria / drug therapy; Bacteriuria / epidemiology; Bacteriuria / veterinary; Dog Diseases / drug therapy; Dogs; Doxycycline; Enterococcus; Escherichia coli; Escherichia coli Infections / drug therapy; Escherichia coli Infections / veterinary; Gentamicins; Humans; Retrospective Studies; Urinary Tract Infections / drug therapy; Urinary Tract Infections / epidemiology; Urinary Tract Infections / veterinary
TL;DR: Polymicrobial UTI had more frequent adverse clinical outcomes for dogs and was more prevalent than monomicrobial UTI, and isolate antimicrobial resistance was more frequently resistant to doxycycline and gentamicin. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 6, 2022

2022 journal article

Effects of corn particle size distributions and formic acid on productive and processing performance of broilers

JOURNAL OF APPLIED POULTRY RESEARCH, 31(4).

By: J. Pope n, G. Walker n, A. Rubio n, J. Brake n, J. Jendza * & A. Fahrenholzy

author keywords: coarse; broiler; gizzard; formic acid; performance
Source: Web Of Science
Added: October 17, 2022

2021 journal article

Genomic Characterization of a Nalidixic Acid-Resistant Salmonella Enteritidis Strain Causing Persistent Infections in Broiler Chickens

FRONTIERS IN VETERINARY SCIENCE, 8.

By: G. Walker n, M. Suyemoto n, D. Hull n , S. Gall n, F. Jimenez n, L. Chen n, S. Thakur n , R. Crespo n , L. Borst n 

Contributors: G. Walker n, M. Suyemoto n, D. Hull n , S. Gall n, F. Jimenez n, L. Chen n, S. Thakur n , R. Crespo n , L. Borst n 

author keywords: Salmonella Enteritidis; poultry; genomics; antimicrobial resistance; broilers
TL;DR: P phenotypic and genomic features of a virulent SE strain from persistently infected broiler flocks are reported and a workflow for SE characterization from isolate collection to genome assembly and sequence analysis is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 27, 2021

2020 journal article

Research Note: Repetitive element–based polymerase chain reaction genotyping improves efficiency of Salmonella surveillance in a model broiler production system

Poultry Science, 99(5), 2684–2689.

By: G. Walker n, M. Suyemoto n, L. Borst n  & J. Brake n

author keywords: Salmonella; antimicrobial resistance; broiler; microbiology; genetic characterization
MeSH headings : Animals; Anti-Bacterial Agents / pharmacology; Chickens; DNA Fingerprinting / veterinary; Drug Resistance, Bacterial / genetics; Epidemiological Monitoring / veterinary; Genotyping Techniques / veterinary; Polymerase Chain Reaction / veterinary; Poultry Diseases / epidemiology; Poultry Diseases / microbiology; Prevalence; Salmonella / genetics; Salmonella / isolation & purification; Salmonella Infections, Animal / epidemiology; Salmonella Infections, Animal / microbiology; Serotyping / veterinary
TL;DR: Genetic relatedness and antimicrobial susceptibility profiles of Salmonella isolated from poultry and their environment were determined and demonstrated that serovar Altona and Senftenberg were harbored by poultry, the latter appeared to persist in broiler flocks, and both serotypes shared similar patterns of antimacterial susceptibility in an integrated research operation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref
Added: June 1, 2020

2020 journal article

The role ofEnterococcus faecalisduring co-infection with avian pathogenicEscherichia coliin avian colibacillosis

AVIAN PATHOLOGY, 49(6), 589–599.

By: G. Walker n, M. Suyemoto n, S. Gall n, L. Chen n, S. Thakur n  & L. Borst n 

author keywords: Colibacillosis; Enterococcus; E; coli; co-infection; antimicrobial resistance; broiler; turkey
MeSH headings : Animals; Chick Embryo; Chickens / microbiology; Coinfection / veterinary; Enterococcus faecalis / physiology; Escherichia coli / physiology; Escherichia coli Infections / microbiology; Escherichia coli Infections / pathology; Escherichia coli Infections / veterinary; Female; Gram-Positive Bacterial Infections / microbiology; Gram-Positive Bacterial Infections / pathology; Gram-Positive Bacterial Infections / veterinary; Phenotype; Poultry Diseases / epidemiology; Poultry Diseases / microbiology; Poultry Diseases / pathology; Virulence
TL;DR: Enterococcus is frequently co-isolated with avian pathogenic E. coli from poultry with colibacillosis, and Enterococcus faecalis (EF) enhances survival of APEC in iron restricted conditions and increases APEC virulence in broiler embryos. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 28, 2020

2018 journal article

The effect of refined functional carbohydrates from enzymatically hydrolyzed yeast on the transmission of environmental Salmonella Senftenberg among broilers and proliferation in broiler housing

Poultry Science, 97(4), 1469.

By: G. Walker*, S. Jalukar & J. Brake*

Sources: Web Of Science, Crossref
Added: August 6, 2018

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